ID: 7703

AQSQID: 840080290007

Site Name: Paonia

Added: April 21, 2020, 6:24 p.m.

Updated: June 20, 2021, 9:52 p.m.

Location: Paonia (Colorado Hwy 133), CO

Reporting: True, Located: True

Current AQI: 60.0

Paonia (Colorado Hwy 133) CO, US: 38.8763, -107.6022

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 20, 2021, 8 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A 32.0 μg/m3 (30) 16.1 μg/m3 (60) 60.0
 
June 20, 2021, 7 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A 23.0 μg/m3 (22) 8.1 μg/m3 (34) 50.0
 
June 20, 2021, 6 p.m. 3.7 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (50) N/A 45.0 μg/m3 (42) 15.0 μg/m3 (58) 58.0
 
June 20, 2021, 5 p.m. 3.7 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A 35.0 μg/m3 (33) 5.7 μg/m3 (24) 49.0
 
June 20, 2021, 4 p.m. 3.3 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A 21.0 μg/m3 (20) 6.1 μg/m3 (26) 43.0
 
June 20, 2021, 3 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 15.0 μg/m3 (14) -0.4 μg/m3 (0) 35.0
 
June 20, 2021, 2 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A 12.0 μg/m3 (12) 4.6 μg/m3 (20) 31.0
 
June 20, 2021, 1 p.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 9.0 μg/m3 (9) 6.1 μg/m3 (26) 28.0
 
June 20, 2021, noon 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 28.0
 
June 20, 2021, 11 a.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 10.0 μg/m3 (10) 4.3 μg/m3 (18) 29.0
 
June 20, 2021, 10 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 12.0 μg/m3 (12) 11.0 μg/m3 (46) 46.0
 
June 20, 2021, 9 a.m. 1.7 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 8.0 μg/m3 (8) 10.6 μg/m3 (45) 45.0
 
June 20, 2021, 8 a.m. 1.8 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 11.0 μg/m3 (11) 4.6 μg/m3 (20) 20.0
 
June 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
June 20, 2021, 6 a.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 2.0 μg/m3 (2) 5.9 μg/m3 (25) 32.0
 
June 20, 2021, 5 a.m. 2.3 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (32) N/A 7.0 μg/m3 (7) 8.9 μg/m3 (38) 38.0
 
June 20, 2021, 4 a.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 2.9 μg/m3 (13) 29.0
 
June 20, 2021, 3 a.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) N/A 15.0 μg/m3 (14) 9.9 μg/m3 (42) 42.0
 
June 20, 2021, 2 a.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 35.0
 
June 20, 2021, 1 a.m. 3.3 ppb (4) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (39) N/A -3.0 μg/m3 (0) 11.7 μg/m3 (49) 49.0
 
June 20, 2021, midnight 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (40) N/A 12.0 μg/m3 (12) 8.4 μg/m3 (36) 40.0
 
June 19, 2021, 11 p.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 51.0 μg/m3 (48) 16.0 μg/m3 (60) 60.0
 
June 19, 2021, 10 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 30.0 μg/m3 (28) 31.8 μg/m3 (93) 93.0
 
June 19, 2021, 9 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A 45.0 μg/m3 (42) 19.9 μg/m3 (68) 68.0
 
June 19, 2021, 8 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 70.0 μg/m3 (59) 24.5 μg/m3 (78) 78.0
 
June 19, 2021, 7 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A 20.0 μg/m3 (19) 9.1 μg/m3 (38) 44.0
 
June 19, 2021, 6 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 16.0 μg/m3 (15) 3.4 μg/m3 (15) 45.0
 
June 19, 2021, 5 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 9.0 μg/m3 (9) 7.3 μg/m3 (31) 46.0
 
June 19, 2021, 4 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 6.0 μg/m3 (6) 7.1 μg/m3 (30) 39.0
 
June 19, 2021, 3 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (38) N/A 8.0 μg/m3 (8) N/A 38.0
 
June 19, 2021, 2 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 17.0 μg/m3 (16) 12.9 μg/m3 (53) 53.0
 
June 19, 2021, 1 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 15.0 μg/m3 (14) 10.1 μg/m3 (43) 43.0
 
June 19, 2021, noon 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 12.0 μg/m3 (12) 5.1 μg/m3 (22) 37.0
 
June 19, 2021, 11 a.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A 17.0 μg/m3 (16) 7.2 μg/m3 (31) 35.0
 
June 19, 2021, 10 a.m. 2.4 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A 20.0 μg/m3 (19) 11.8 μg/m3 (50) 50.0
 
June 19, 2021, 9 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 10.0 μg/m3 (10) 11.2 μg/m3 (47) 47.0
 
June 19, 2021, 8 a.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 13.0 μg/m3 (13) 11.3 μg/m3 (48) 48.0
 
June 19, 2021, 7 a.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A 10.0 μg/m3 (10) 14.6 μg/m3 (57) 57.0
 
June 19, 2021, 6 a.m. 1.1 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 8.0 μg/m3 (8) 8.8 μg/m3 (37) 42.0
 
June 19, 2021, 5 a.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A 10.0 μg/m3 (10) 7.5 μg/m3 (32) 44.0
 
June 19, 2021, 4 a.m. 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 8.0 μg/m3 (8) 2.9 μg/m3 (13) 45.0
 
June 19, 2021, 3 a.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 45.0
 
June 19, 2021, 2 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A 21.0 μg/m3 (20) 13.5 μg/m3 (54) 54.0
 
June 19, 2021, 1 a.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 29.0 μg/m3 (27) 19.9 μg/m3 (68) 68.0
 
June 19, 2021, midnight 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 33.0 μg/m3 (31) 19.3 μg/m3 (67) 67.0
 
June 18, 2021, 11 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 32.0 μg/m3 (30) 21.5 μg/m3 (71) 71.0
 
June 18, 2021, 10 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 32.0 μg/m3 (30) 27.9 μg/m3 (85) 85.0
 
June 18, 2021, 9 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 17.0 μg/m3 (16) 14.9 μg/m3 (57) 57.0
 
June 18, 2021, 8 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 18.0 μg/m3 (17) 11.2 μg/m3 (47) 49.0
 
June 18, 2021, 7 p.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 21.0 μg/m3 (20) 8.9 μg/m3 (38) 49.0
 
June 18, 2021, 6 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 27.0 μg/m3 (25) 9.4 μg/m3 (40) 48.0
 
June 18, 2021, 5 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 27.0 μg/m3 (25) 13.3 μg/m3 (54) 54.0
 
June 18, 2021, 4 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 25.0 μg/m3 (24) 26.5 μg/m3 (82) 82.0
 
June 18, 2021, 3 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 25.0 μg/m3 (24) 19.4 μg/m3 (67) 67.0
 
June 18, 2021, 2 p.m. 2.4 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 30.0 μg/m3 (28) 16.6 μg/m3 (61) 61.0
 
June 18, 2021, 1 p.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 24.0 μg/m3 (23) 17.2 μg/m3 (62) 62.0
 
June 18, 2021, noon 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 14.0 μg/m3 (13) 26.8 μg/m3 (82) 82.0
 
June 18, 2021, 11 a.m. 3.3 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (36) N/A 17.0 μg/m3 (16) 17.6 μg/m3 (63) 63.0
 
June 18, 2021, 10 a.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 18.0 μg/m3 (17) 57.4 μg/m3 (152) 152.0
 
June 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 36.5 μg/m3 (104) 104.0
 
June 18, 2021, 8 a.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 15.0 μg/m3 (14) 10.4 μg/m3 (44) 44.0
 
June 18, 2021, 7 a.m. 0.9 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
June 18, 2021, 6 a.m. 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 13.0 μg/m3 (13) 9.0 μg/m3 (38) 45.0
 
June 18, 2021, 5 a.m. 1.0 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 20.0 μg/m3 (19) 11.7 μg/m3 (49) 49.0
 
June 18, 2021, 4 a.m. 1.0 ppb (1) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) N/A 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
June 18, 2021, 3 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 28.0 μg/m3 (26) 11.9 μg/m3 (50) 50.0
 
June 18, 2021, 2 a.m. 2.8 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 29.0 μg/m3 (27) 21.9 μg/m3 (72) 72.0
 
June 18, 2021, 1 a.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) N/A 22.0 μg/m3 (21) 20.0 μg/m3 (68) 68.0
 
June 18, 2021, midnight 1.8 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (44) N/A 28.0 μg/m3 (26) 28.7 μg/m3 (86) 86.0
 
June 17, 2021, 11 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) N/A 35.0 μg/m3 (33) 29.6 μg/m3 (88) 88.0
 
June 17, 2021, 10 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 31.0 μg/m3 (29) 20.6 μg/m3 (69) 69.0
 
June 17, 2021, 9 p.m. 3.4 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 34.0 μg/m3 (32) 19.5 μg/m3 (67) 67.0
 
June 17, 2021, 8 p.m. 3.5 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (50) N/A 51.0 μg/m3 (48) 25.5 μg/m3 (80) 80.0
 
June 17, 2021, 7 p.m. 24.4 ppb (24) 11.9 ppb (12) N/A 12.0 ppb (12) N/A N/A 49.0 ppb (46) N/A 102.0 μg/m3 (75) 37.5 μg/m3 (106) 106.0
 
June 17, 2021, 6 p.m. 11.4 ppb (11) 5.6 ppb (6) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (46) N/A 70.0 μg/m3 (59) 29.6 μg/m3 (88) 88.0
 
June 17, 2021, 5 p.m. 7.9 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) N/A 56.0 μg/m3 (52) 28.8 μg/m3 (87) 87.0
 
June 17, 2021, 4 p.m. 12.8 ppb (13) 5.8 ppb (6) N/A 7.0 ppb (7) N/A N/A 44.0 ppb (41) N/A 58.0 μg/m3 (53) 16.2 μg/m3 (60) 60.0
 
June 17, 2021, 3 p.m. 4.0 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 80.0 μg/m3 (64) 10.8 μg/m3 (46) 64.0
 
June 17, 2021, 2 p.m. 7.8 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (35) N/A 68.0 μg/m3 (58) 22.1 μg/m3 (73) 73.0
 
June 17, 2021, 1 p.m. 3.6 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 42.0 μg/m3 (39) 16.8 μg/m3 (61) 61.0
 
June 17, 2021, noon 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) N/A 28.0 μg/m3 (26) 16.6 μg/m3 (61) 61.0
 
June 17, 2021, 11 a.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 22.0 μg/m3 (21) 13.1 μg/m3 (54) 54.0
 
June 17, 2021, 10 a.m. 1.6 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0 μg/m3 (24) 14.8 μg/m3 (57) 57.0
 
June 17, 2021, 9 a.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 21.0 μg/m3 (20) 16.9 μg/m3 (62) 62.0
 
June 17, 2021, 8 a.m. 1.3 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 26.0 μg/m3 (25) 14.1 μg/m3 (56) 56.0
 
June 17, 2021, 7 a.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 28.0 μg/m3 (26) 11.5 μg/m3 (48) 48.0
 
June 17, 2021, 6 a.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A 23.0 μg/m3 (22) 13.1 μg/m3 (54) 54.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 11.7 μg/m3 (49) 49.0
 
June 17, 2021, 4 a.m. 1.8 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 19.0 μg/m3 (18) 8.5 μg/m3 (36) 38.0
 
June 17, 2021, 3 a.m. 2.9 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (38) N/A 18.0 μg/m3 (17) 9.4 μg/m3 (40) 40.0
 
June 17, 2021, 2 a.m. 3.4 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 14.4 μg/m3 (56) 56.0
 
June 17, 2021, 1 a.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 10.0 μg/m3 (10) 8.7 μg/m3 (37) 46.0
 
June 17, 2021, midnight 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (49) N/A 23.0 μg/m3 (22) 13.5 μg/m3 (54) 54.0
 
June 16, 2021, 11 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) N/A 17.0 μg/m3 (16) 19.5 μg/m3 (67) 67.0
 
June 16, 2021, 10 p.m. 3.2 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) N/A 36.0 μg/m3 (34) 17.9 μg/m3 (64) 64.0
 
June 16, 2021, 9 p.m. 3.9 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (47) N/A 38.0 μg/m3 (36) 22.9 μg/m3 (74) 74.0
 
June 16, 2021, 8 p.m. 9.2 ppb (9) 3.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (50) N/A 39.0 μg/m3 (37) 12.8 μg/m3 (53) 53.0
 
June 16, 2021, 7 p.m. 6.1 ppb (6) 4.3 ppb (5) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (50) N/A 44.0 μg/m3 (41) 17.4 μg/m3 (63) 63.0
 
June 16, 2021, 6 p.m. 9.8 ppb (10) 5.1 ppb (5) N/A 5.0 ppb (5) N/A N/A 50.0 ppb (47) N/A 55.0 μg/m3 (51) 28.9 μg/m3 (87) 87.0
 
June 16, 2021, 5 p.m. 22.5 ppb (22) 10.1 ppb (10) N/A 12.0 ppb (12) N/A N/A 45.0 ppb (42) N/A 83.0 μg/m3 (65) 41.4 μg/m3 (116) 116.0
 
June 16, 2021, 4 p.m. 7.2 ppb (7) 3.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) N/A 39.0 μg/m3 (37) 42.6 μg/m3 (119) 119.0
 
June 16, 2021, 3 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 53.0 μg/m3 (50) 5.6 μg/m3 (24) 50.0
 
June 16, 2021, 2 p.m. 3.5 ppb (4) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 72.0 μg/m3 (60) 23.0 μg/m3 (74) 74.0
 
June 16, 2021, 1 p.m. 2.9 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 38.0 μg/m3 (36) 16.3 μg/m3 (60) 60.0
 
June 16, 2021, noon 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 23.0 μg/m3 (22) 12.7 μg/m3 (53) 53.0
 
June 16, 2021, 11 a.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 27.0 μg/m3 (25) 15.2 μg/m3 (58) 58.0
 
June 16, 2021, 10 a.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 37.0 μg/m3 (35) 12.5 μg/m3 (52) 52.0
 
June 16, 2021, 9 a.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A 25.0 μg/m3 (24) 15.6 μg/m3 (59) 59.0
 
June 16, 2021, 8 a.m. 0.6 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 17.0 μg/m3 (16) 20.6 μg/m3 (69) 69.0
 
June 16, 2021, 7 a.m. 0.8 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A 19.0 μg/m3 (18) 19.4 μg/m3 (67) 67.0
 
June 16, 2021, 6 a.m. 0.7 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 21.0 μg/m3 (20) 13.4 μg/m3 (54) 54.0
 
June 16, 2021, 5 a.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A 26.0 μg/m3 (25) 15.7 μg/m3 (59) 59.0
 
June 16, 2021, 4 a.m. 2.2 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (37) N/A 21.0 μg/m3 (20) 8.5 μg/m3 (36) 37.0
 
June 16, 2021, 3 a.m. 3.4 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (34) N/A 21.0 μg/m3 (20) 14.4 μg/m3 (56) 56.0
 
June 16, 2021, 2 a.m. 3.7 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) N/A 18.0 μg/m3 (17) 13.6 μg/m3 (55) 55.0
 
June 16, 2021, 1 a.m. 2.3 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (43) N/A N/A 12.6 μg/m3 (53) 53.0
 
June 16, 2021, midnight 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (43) N/A N/A 22.3 μg/m3 (73) 73.0
 
June 15, 2021, 11 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A N/A N/A N/A 49.0 ppb (46) N/A 186.0 μg/m3 (117) 48.1 μg/m3 (133) 133.0
 
June 15, 2021, 10 p.m. 70.8 ppb (69) 32.2 ppb (31) N/A 39.0 ppb (37) N/A N/A 42.0 ppb (39) N/A 230.0 μg/m3 (139) 45.8 μg/m3 (127) 139.0
 
June 15, 2021, 9 p.m. 49.2 ppb (47) 37.8 ppb (36) N/A 11.0 ppb (11) N/A N/A 40.0 ppb (38) N/A 189.0 μg/m3 (118) 39.2 μg/m3 (111) 118.0
 
June 15, 2021, 8 p.m. 97.2 ppb (98) 75.2 ppb (74) N/A 22.0 ppb (21) N/A N/A 38.0 ppb (36) N/A 172.0 μg/m3 (110) 37.6 μg/m3 (107) 110.0
 
June 15, 2021, 7 p.m. 54.1 ppb (52) 45.4 ppb (43) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A 202.0 μg/m3 (125) 49.3 μg/m3 (135) 135.0
 
June 15, 2021, 6 p.m. 28.1 ppb (27) 14.6 ppb (14) N/A 14.0 ppb (14) N/A N/A 36.0 ppb (34) N/A 84.0 μg/m3 (66) 43.2 μg/m3 (120) 120.0
 
June 15, 2021, 5 p.m. 7.3 ppb (7) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 39.0 μg/m3 (37) 36.9 μg/m3 (105) 105.0
 
June 15, 2021, 4 p.m. 10.8 ppb (11) 5.5 ppb (6) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) N/A 64.0 μg/m3 (56) 18.6 μg/m3 (65) 65.0
 
June 15, 2021, 3 p.m. 5.6 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A 40.0 μg/m3 (38) 7.2 μg/m3 (31) 38.0
 
June 15, 2021, 2 p.m. 3.8 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A 43.0 μg/m3 (40) 16.5 μg/m3 (61) 61.0
 
June 15, 2021, 1 p.m. 6.3 ppb (6) 3.2 ppb (4) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A 43.0 μg/m3 (40) 11.3 μg/m3 (48) 48.0
 
June 15, 2021, noon 8.4 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A 28.0 μg/m3 (26) 7.9 μg/m3 (33) 33.0
 
June 15, 2021, 11 a.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A 15.0 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
June 15, 2021, 10 a.m. 0.8 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 13.0 μg/m3 (13) 7.7 μg/m3 (33) 33.0
 
June 15, 2021, 9 a.m. 0.7 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
June 15, 2021, 8 a.m. 0.7 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 5.0 μg/m3 (5) 11.6 μg/m3 (49) 49.0
 
June 15, 2021, 7 a.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A N/A -1.0 μg/m3 (0) 11.7 μg/m3 (49) 49.0
 
June 15, 2021, 6 a.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (27) 28.0
 
June 15, 2021, 5 a.m. 1.5 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 19.0 μg/m3 (18) 6.0 μg/m3 (25) 29.0
 
June 15, 2021, 4 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 12.0 μg/m3 (12) 7.8 μg/m3 (33) 33.0
 
June 15, 2021, 3 a.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) 6.6 μg/m3 (28) 28.0
 
June 15, 2021, 2 a.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 6.5 μg/m3 (28) 29.0
 
June 15, 2021, 1 a.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) N/A 0.0 μg/m3 (0) 7.1 μg/m3 (30) 34.0
 
June 15, 2021, midnight 4.2 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) N/A 16.0 μg/m3 (15) 7.8 μg/m3 (33) 35.0
 
June 14, 2021, 11 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 19.0 μg/m3 (18) 9.6 μg/m3 (40) 40.0
 
June 14, 2021, 10 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (37) N/A 21.0 μg/m3 (20) 4.2 μg/m3 (18) 37.0
 
June 14, 2021, 9 p.m. 27.9 ppb (27) 19.2 ppb (19) N/A 9.0 ppb (9) N/A N/A 36.0 ppb (34) N/A 45.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
June 14, 2021, 8 p.m. 15.5 ppb (15) 10.3 ppb (10) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) N/A 45.0 μg/m3 (42) 14.6 μg/m3 (57) 57.0
 
June 14, 2021, 7 p.m. 39.4 ppb (38) 19.2 ppb (19) N/A 20.0 ppb (19) N/A N/A 39.0 ppb (37) N/A 82.0 μg/m3 (65) 23.9 μg/m3 (76) 76.0
 
June 14, 2021, 6 p.m. 62.9 ppb (61) 37.5 ppb (36) N/A 25.0 ppb (24) N/A N/A 39.0 ppb (37) N/A 142.0 μg/m3 (95) 32.3 μg/m3 (94) 95.0
 
June 14, 2021, 5 p.m. 80.0 ppb (79) 48.1 ppb (46) N/A N/A N/A N/A 33.0 ppb (31) N/A 101.0 μg/m3 (74) 14.3 μg/m3 (56) 79.0
 
June 14, 2021, 4 p.m. 1.3 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (33) N/A 23.0 μg/m3 (22) 3.7 μg/m3 (16) 33.0
 
June 14, 2021, 3 p.m. 1.6 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 26.0 μg/m3 (25) 1.6 μg/m3 (7) 30.0
 
June 14, 2021, 2 p.m. 3.0 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A 21.0 μg/m3 (20) 9.3 μg/m3 (39) 39.0
 
June 14, 2021, 1 p.m. 4.5 ppb (5) 2.8 ppb (3) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A 34.0 μg/m3 (32) 8.4 μg/m3 (36) 36.0
 
June 14, 2021, noon 1.7 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 23.0 μg/m3 (22) 7.7 μg/m3 (33) 33.0
 
June 14, 2021, 11 a.m. 1.0 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (30) N/A 12.0 μg/m3 (12) 2.7 μg/m3 (12) 30.0
 
June 14, 2021, 10 a.m. 0.8 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
June 13, 2021, 8 p.m. 1.0 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 5.0 μg/m3 (5) 9.6 μg/m3 (40) 40.0
 
June 13, 2021, 7 p.m. 1.0 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 9.7 μg/m3 (41) 41.0
 
June 13, 2021, 6 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A 11.0 μg/m3 (11) 5.3 μg/m3 (23) 40.0
 
June 13, 2021, 5 p.m. 1.0 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 38.0
 
June 13, 2021, 4 p.m. 0.9 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 12.0 μg/m3 (12) -4.5 μg/m3 (0) 36.0
 
June 13, 2021, 3 p.m. 0.8 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) N/A 18.0 μg/m3 (17) N/A 33.0
 
June 13, 2021, 2 p.m. 0.8 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A 22.0 μg/m3 (21) 9.9 μg/m3 (42) 42.0
 
June 13, 2021, 1 p.m. 0.8 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A 21.0 μg/m3 (20) 9.4 μg/m3 (40) 40.0
 
June 13, 2021, noon 0.9 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (32) N/A 21.0 μg/m3 (20) 5.1 μg/m3 (22) 32.0
 
June 13, 2021, 11 a.m. 0.8 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 6.9 μg/m3 (29) 32.0
 
June 13, 2021, 10 a.m. 0.8 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A N/A N/A N/A 10.0 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
June 11, 2021, 11 p.m. 1.2 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) N/A 20.0 μg/m3 (19) 7.4 μg/m3 (31) 48.0
 
June 11, 2021, 10 p.m. 1.5 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (46) N/A 20.0 μg/m3 (19) 6.0 μg/m3 (25) 46.0